This is an unsigned Tachi attributed to the Senjyuin school, the oldest branch of the Yamato Goha, active from the late Heian period. Forged in the late Kamakura period, it exhibits a graceful form with a deep sori and a bright hamon, characteristic of old swords. It comes with an NBTHK Tokubetsu Hozon certificate and a shirasaya.
Certificate reading — 無銘(千手院)
mumei · Senjyuin · Kamakura · nagasa 75.67cm · sori 3.03cm









Yamato-den · Yamato
23 pieces on the market now
Among the five schools of the Yamato-den, Senjuin (千手院) is held to be the earliest in origin, its name drawn from the Senjudo, a hall enshrining Senju Kannon (the Thousand-Armed Avalokitesvara) said to have stood at the western foothills of Mt. Wakakusa in Nara. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Nobuyoshi延吉 | 1288-1293 | 29 |
| Sukemitsu助光 | 1243-1247 | 6 |
| Yoshihiro吉弘 | 1352-1356 | 5 |
| Yoshihiro義弘 | 1312-1317 | 3 |
| Akimitsu日光 | 1303-1306 | 0 |
A Hozon-certified blade judged to show notably superior workmanship and a better state of preservation. The bar is higher: re-tempered blades and most unsigned Muromachi/Edo works are excluded.
The NBTHK (Nihon Bijutsu Tōken Hozon Kyōkai, the Society for the Preservation of Japanese Art Swords) is a public-interest incorporated foundation founded in 1948 and supervised by Japan’s Agency for Cultural Affairs (Bunkachō); it is based at the Japanese Sword Museum in Tokyo. Its expert panels physically examine each submitted work (shinsa) and issue a certificate (kanteishō) ranking it by artistic and historical merit. NBTHK papers are the most widely recognized standard of authentication for Japanese swords and fittings.
NBTHK official siteReturns accepted within 3 days of delivery for defective items or significant discrepancies; customer bears return shipping and bank fees.
This is an unsigned Tachi attributed to the Senjyuin school, the oldest branch of the Yamato Goha, active from the late Heian period. Forged in the late Kamakura period, it exhibits a graceful form with a deep sori and a bright hamon, characteristic of old swords. It comes with an NBTHK Tokubetsu Hozon certificate and a shirasaya.
Certificate reading — 無銘(千手院)
mumei · Senjyuin · Kamakura · nagasa 75.67cm · sori 3.03cm









Yamato-den · Yamato
23 pieces on the market now
Among the five schools of the Yamato-den, Senjuin (千手院) is held to be the earliest in origin, its name drawn from the Senjudo, a hall enshrining Senju Kannon (the Thousand-Armed Avalokitesvara) said to have stood at the western foothills of Mt. Wakakusa in Nara. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Nobuyoshi延吉 | 1288-1293 | 29 |
| Sukemitsu助光 | 1243-1247 | 6 |
| Yoshihiro吉弘 | 1352-1356 | 5 |
| Yoshihiro義弘 | 1312-1317 | 3 |
| Akimitsu日光 | 1303-1306 | 0 |
A Hozon-certified blade judged to show notably superior workmanship and a better state of preservation. The bar is higher: re-tempered blades and most unsigned Muromachi/Edo works are excluded.
The NBTHK (Nihon Bijutsu Tōken Hozon Kyōkai, the Society for the Preservation of Japanese Art Swords) is a public-interest incorporated foundation founded in 1948 and supervised by Japan’s Agency for Cultural Affairs (Bunkachō); it is based at the Japanese Sword Museum in Tokyo. Its expert panels physically examine each submitted work (shinsa) and issue a certificate (kanteishō) ranking it by artistic and historical merit. NBTHK papers are the most widely recognized standard of authentication for Japanese swords and fittings.
NBTHK official siteReturns accepted within 3 days of delivery for defective items or significant discrepancies; customer bears return shipping and bank fees.